Analysis Tools

The Analysis Procedures Manual (APM) provides the current methodologies, practices and procedures for conducting long term analysis of Oregon Department of Transportation (ODOT) plans and projects.

Safety Analysis Tools

Critical Rate Calculator (XLS): The calculator performs crash rate analysis and identifies priority intersections or segments for further safety analysis. For information on how to use this spreadsheet, see Chapter 4 of APM Version 2.

Excess Proportion of Specific Crash Types Calculator (XLS): The tool performs statistical analysis to calculate a probability of specific crash types exceeding a threshold proportion. For information on how to use and interpret this spreadsheet, see the instructions packaged with the spreadsheet and Chapter 4 of the APM) Version 2.

Signalized Intersection Tools

Saturation Flow Rate Calculator (XLS): The tool uses the Highway Capacity Manual 2010 method for calculating saturation flow rates from field data. For information on how to use this spreadsheet, see Chapter 3 of APM Version 2.

Signal Progression Calculator (XLS): The tool estimates the minimum required progression bandwidth for a signalized system based on volumes at the critical intersection. For information on how to use this spreadsheet, see Chapter 10 of the APM.

Synchro.SimTraffic.Templates.zip (DOCX): The files were created as a tool to both save time and reduce errors when starting Synchro analysis. All parameters are set following ODOT’s Synchro/SimTraffic settings provided in Chapters 7 and 8 of the APM. For additional information on how to use the template files and the changes that were made, refer to the README document that is included in the zip file.

Two-Way STOP Controlled Intersection Calculator (XLS): This tool is intended for use in facilitating the Queue Length Estimation at Two-Way STOP Controlled Intersection analysis methodology. For more information on the use of this tool, see Chapter 11 of the APM.

Multimodal Analysis Tools

Separated/Buffered Bikeways Calculator (XLSX): This tool performs analyses on the operation of separated bikeways and buffered bike lanes. For more information, see Chapter 14 of the APM Version 2.

Simplified MMLOS Calculator (XLS): This tool implements streamlined segment-level pedestrian, bicycle and transit analysis methodologies based on the Highway Capacity Manual 2010. For more information see Chapter 14 of the APM Version 2.

Shared Path Calculator (XLSM): This tool implements the Highway Capacity Manual 2010 Chapter 23 method shared path methodology for pedestrian and bicyclists. For more information see Chapter 14 of the APM Version 2.

Travel demand models are used for transportation project development, transportation planning and land use planning. To request a model run please use the Request for Travel Demand Model Run Form (PDF).

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Statewide Models

Statewide Integrated Model: A long range policy planning tool characterizing the dynamic interaction between Oregon's economy, land use and transportation systems.

GreenSTEP: A strategic planning model that estimates the effects of a large variety of policies and external influences on household vehicle travel and associated energy consumption and greenhouse gas emissions.

Highway Economic Requirements System (HERS-ST): Used to support needs analysis for the Congestion Management System (CMS), as well as numerous other studies such as the Oregon Highway Plan, local corridor studies and system plans.

Other Modeling Tools

Greenhouse Gas Emissions Reduction Toolkit: This tool is designed to help local jurisdictions identify and explore the kinds of actions and programs they can undertake to reduce vehicle emissions as well as meet other community goals.

R for Data Analysis and Modeling (PDF): An Eight Week Course Introducing R for Data Analysis and (Transport) Modeling. It is a beginners manual and assumes no prior programming knowledge.

Disclaimer and Limitation of Liability

DISCLAIMER

Software and manuals are distributed "as is" without warranty of any kind, either express or implied, including, but not limited to the implied warranties of merchantability, fitness for a particular purpose, and non-infringement. The entire risk as to the quality and performance of this program is with you. You are advised to test the program thoroughly before you rely on it. Should the program prove defective, you (and not the Oregon Department of Transportation or the State of Oregon) assume the entire cost of all necessary servicing, repair or correction.

LIMITATION OF LIABILITY

In no event shall the Oregon Department of Transportation be liable for any claim, damages or other liability whether direct, indirect, incidental, special or consequential damages, or damages for loss of profits, revenue, data or use, whether in an action in contract or tort, arising out of your use of the software or manuals.